PROGRAMMING:12 hours a day 6 days a week
996 working system refers to the working system of working at 9:00 a.m. on weekdays, leaving work at 9:00 p.m., resting for 1 hour (or less) at noon and evening, totaling more than 10 hours, and working six days a week. On March 27, 2019, a project called "996 ICU" was launched in GitHub. Programmers exposed the "996 ICU" Internet company and boycotted the Internet company's 996 working system. On December 2, 2019, 996 was selected into the top ten catchwords in 2019. On the same day, it was selected into the "top ten Internet terms in 2019" released by the national language resources monitoring and research center.
Please write a program to replace "996" with "996 ICU".
###Input format:
Input in a line to give a sentence, that is, a non empty string, composed of no more than 1000 English letters, numbers and spaces, to enter the end.
###Output format:
Scan the input sentence from left to right: if there is a "996" substring in the sentence, replace it with "996 ICU"; Other contents are not affected and are output as is.
###Input example:
```in
Working overtime 996 is not as good as 966.
```
###Output example:
```out
Working overtime 996ICU is not as good as 966.
```
answer：If there is no answer, please comment
996 working system refers to the working system of working at 9:00 a.m. on weekdays, leaving work at 9:00 p.m., resting for 1 hour (or less) at noon and evening, totaling more than 10 hours, and working six days a week. On March 27, 2019, a project called "996 ICU" was launched in GitHub. Programmers exposed the "996 ICU" Internet company and boycotted the Internet company's 996 working system. On December 2, 2019, 996 was selected into the top ten catchwords in 2019. On the same day, it was selected into the "top ten Internet terms in 2019" released by the national language resources monitoring and research center.
Please write a program to replace "996" with "996 ICU".
###Input format:
Input in a line to give a sentence, that is, a non empty string, composed of no more than 1000 English letters, numbers and spaces, to enter the end.
###Output format:
Scan the input sentence from left to right: if there is a "996" substring in the sentence, replace it with "996 ICU"; Other contents are not affected and are output as is.
###Input example:
```in
Working overtime 996 is not as good as 966.
```
###Output example:
```out
Working overtime 996ICU is not as good as 966.
```
answer：If there is no answer, please comment